Apple's iOS 14.8 Pegasus security fix: iPhone users urged to update immediately

In today's top stories, Apple releases security updates in iOS 14.8 to protect against Pegasus, invasive spyware built by NSO Group. In other news, Federal executive branch employees must get vaccinated by Nov. 22, says task force. And finally, NASA investigates impact of volcanic 'super eruptions' on Mars 4 billion years ago.